12010221439 has 2 divisors, whose sum is σ = 12010221440. Its totient is φ = 12010221438.

The previous prime is 12010221409. The next prime is 12010221449. The reversal of 12010221439 is 93412201021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12010221439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12010221409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005110719 + 6005110720.

It is an arithmetic number, because the mean of its divisors is an integer number (6005110720).

Almost surely, 2^12010221439 is an apocalyptic number.

12010221439 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010221439 is an equidigital number, since it uses as much as digits as its factorization.

12010221439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 12010221439 in words is "twelve billion, ten million, two hundred twenty-one thousand, four hundred thirty-nine".